Put all your JavaScript statement in onclick clause

   

<html>
<head>
<title>A Simple Page</title>
</head>
<body>
<p onclick="units = prompt('value');alert(units + ' is ' + units * 9.99);">Click here to specify quantity</p>
</body>
</html>

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Put all your JavaScript statement in onclick clause : onClick « Event onMethod « JavaScript DHTML

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